Minor earthquake, 3.1 mag has occurred near Semisopochnoi Island in Alaska

A minor earthquake with magnitude 3.1 (ml/mb) was reported 20 km NNE of Semisopochnoi Island, Alaska (12 miles) on Tuesday. The temblor was picked up at 21:10:18 / 9:10 pm (local time epicenter). Exact location, longitude 179.6746° East, latitude 52.1272° North, depth = 189 km. The earthquake occurred at a depth of 189 km (117 miles). Exact time and date of earthquake 30/08/17 / 2017-08-30 07:10:18 / August 30, 2017 @ 7:10 am UTC/GMT. Id of earthquake: ak16748008. Event ids that are associated: ak16748008.

In the past 24 hours, there have been one, in the last 10 days six, in the past 30 days twelve and in the last 365 days ninety-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor quakes in the world each year. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

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Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 20 km NNE of Semisopochnoi Island, Alaska.

Alaska Semisopochnoi Island

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Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	179.6746° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	52.1272° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	189 km	Depth of the event in kilometers.
Place	20km NNE of Semisopochnoi Island, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-08-30 07:10:18	Time when the event occurred. UTC/GMT
Updated	2017-09-07 18:47:56	Time when the event was most recently updated. UTC/GMT
Timezone offset	-600	Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	reviewed	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	148	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	ak	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ak,	A comma-separated list of network contributors.
Number of Stations Used		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.37 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap		The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	ak16748008	Id of event.
Event Code	16748008	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak16748008,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.1 mag has occurred near Semisopochnoi Island in Alaska

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